Research in Brief
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A collection of brief research summaries from 2011 that have been carefully reviewed and selected to provide objective, high-quality evidence that is concise and easy to understand.
Healthy and Safe Children 2011 Archives
Access to Emergency Contraception for Adolescents
— Dec. 2011
Journal abstract at Journal of the American Medical Association website
ADHD Medications and Risk of Serious Cardiovascular Events in Young and Middle-Aged Adults
— Dec. 2011
Adolescent Vaccination-Coverage Levels in the United States: 2006-2009
— Dec. 2011
Aerobic Capacity and Exercise Performance in Young People Born Extremely Preterm
— Dec. 2011
Alcohol Dependence Symptoms Among Recent Onset Adolescent Drinkers
— Dec. 2011
Alcohol Use Patterns Among Postpartum Women
— Dec. 2011
Antipsychotic Medication Use Among Children and Risk of Diabetes Mellitus
— Dec. 2011
Antipsychotic Treatment Among Youth in Foster Care
— Dec. 2011
Assessing Pregnancy Intention and Associated Risks in Pregnant Adolescents
— Dec. 2011
Association Between Stillbirth and Risk Factors Known at Pregnancy Confirmation
— Dec. 2011
Asthma Drugs in Pregnancy Might Pose Risk for Kids
— Dec. 2011
Autism Spectrum Disorders and Health Care Expenditures: The Effects of Co-Occurring Conditions
— Dec. 2011
Barriers to Receiving Substance Abuse Treatment Among Rural Pregnant Women in Kentucky
— Dec. 2011
Birth Defects Seem Rare in Kids of Childhood Cancer Survivors
— Dec. 2011
Caseworker-Recipient Interaction: Welfare Office Differences, Economic Trajectories, and Child Outcomes
— Dec. 2011
Causes of Death Among Stillbirths
— Dec. 2011
Changes Over Time in Reducing Developmental and Behavioral Comorbidities of Asthma in Children
— Dec. 2011
Classes and Consequences of Multiple Maltreatment: A Person-Centered Analysis
— Dec. 2011
Cumulative Prevalence of Arrest From Ages 8 to 23 in a National Sample
— Dec. 2011
Dating Violence Among Adolescents Presenting to a Pediatric Emergency Department
— Dec. 2011
Delinquency Cases in Juvenile Court, 2008
— Dec. 2011
Bulletin at Office of Juvenile Justice and Delinquency Prevention website
Delinquency Cases Waived to Criminal Court, 2008
— Dec. 2011
Determinants of and Disparities in Reproductive Health Service Use Among Adolescent and Young Adult Women in the United States, 2002-2008
— Dec. 2011
Dietary Intakes of Preschool-Aged Children in Relation to Caregivers' Race/Ethnicity, Acculturation, and Demographic Characteristics: Results from the 2007 California Health Interview Survey
— Dec. 2011
Early Risk Factors for Hyperactivity-Impulsivity and Inattention Trajectories From Age 17 Months to 8 Years
— Dec. 2011
Effect of Preventive Interventions in Mentally Ill Parents on the Mental Health of the Offspring: Systematic Review and Meta-Analysis
— Dec. 2011
Female Perceptions of Male Versus Female Intendedness at the Time of Teenage Pregnancy
— Dec. 2011
Finding Shelter: Two-Year Housing Trajectories Among Homeless Youth
— Dec. 2011
Foster Children: HHS Guidance Could Help States Improve Oversight of Psychotropic Prescriptions
— Dec. 2011
Geographic Variation in Trends and Characteristics of Teen Childbearing among American Indians and Alaska Natives, 1990-2007
— Dec. 2011
Health-Related Quality of Life of Mothers of Very Low Birth Weight Children at the Age of Five: Results from the Newborn Lung Project Statewide Cohort Study
— Dec. 2011
High Lead Exposure Linked to Hearing Loss in Youth
— Dec. 2011
Human Papillomavirus Vaccine Uptake Among 9- to 17-year-old Girls: National Health Interview Survey, 2008
— Dec. 2011
The Impact of State Laws and District Policies on Physical Education and Recess Practices in a Nationally Representative Sample of U.S. Public Elementary Schools
— Dec. 2011
Improving Coverage for Children Under Health Reform Will Require Maintaining Current Eligibility Standards for Medicaid and CHIP
— Dec. 2011
Initial Implementation Indicators From a Statewide Rollout of SafeCare Within a Child Welfare System
— Dec. 2011
Juvenile Arrests, 2009
— Dec. 2011
Juvenile Delinquency Probation Caseload, 2008
— Dec. 2011
Language Impairment in Children Perinatally Infected with HIV Compared with Children Exposed and Without Infection
— Dec. 2011
Latest Child Maltreatment Report Shows Decrease in Victims of Child Abuse and Neglect
— Dec. 2011
Medical Home Access and Health Care Use and Expenditures Among Children With Special Health Care Needs
— Dec. 2011
Mortality and Adverse Neurologic Outcomes are Greater in Preterm Male Infants
— Dec. 2011
National Trends in Exposure to and Experiences of Violence on the Internet Among Children
— Dec. 2011
Obesity in K-8 Students: New York City, 2006-07 to 2010-11 School Years
— Dec. 2011
Parent and Child Characteristics Related to Adolescent Alcohol and Drug Prevention Program Chosen
— Dec. 2011
Parental Recall of Doctor Communication of Weight Status: National Trends From 1999 through 2008
— Dec. 2011
Person Offense Cases in Juvenile Court, 2008
— Dec. 2011
Prevalence, Persistence, and Sociodemographic Correlates of DSM-IV Disorders in the National Comorbidity Survey Replication Adolescent Supplement
— Dec. 2011
Process Evaluation Results from the HEALTHY Physical Education Intervention
— Dec. 2011
Psychiatric Disorders With Postpartum Onset: Possible Early Manifestations of Bipolar Affective Disorders
— Dec. 2011
Recommendations on the Use of Quadrivalent Human Papillomavirus Vaccine in Males
— Dec. 2011
Relationship Between Prenatal Lead Exposure and Infant Blood Lead Levels
— Dec. 2011
The Role of Cultural Dissimilarity Factors on Child Adjustment Following Foster Placement
— Dec. 2011
The Role of Maternal Factors in Sibling Relationship Quality: A Multilevel Study of Multiple Dyads per Family
— Dec. 2011
Sexuality and Homelessness in Los Angeles Public Schools
— Dec. 2011
Smoking Behavior of U.S. Youths: A Comparison Between Child Welfare System and Community Populations
— Dec. 2011
Study Shows Additional Benefits of Progesterone in Reducing Preterm Birth Risk
— Dec. 2011
Suicidal Ideation and Self-Harm Behavior in a Community Sample of Preadolescent Youth: A Case-Control Study
— Dec. 2011
Summary Health Statistics for U.S. Children: National Health Interview Survey, 2010
— Dec. 2011
Teens Purchase Fewer Sugary Drinks After Seeing In-Store Calorie Signage
— Dec. 2011
Time-to-Event Analysis of Fine Particle Air Pollution and Preterm Birth: Results From North Carolina, 2001-2005
— Dec. 2011
Trends in Body Mass Index in Adolescence and Young Adulthood in the United States: 1959-2002
— Dec. 2011
Trends in the Nutritional Content of Television Food Advertisements Seen by Children in the United States
— Dec. 2011
Trends in the Nutritional Content of Television Food Advertisements Seen by Children in the United States: Analyses by Age, Food Categories, and Companies
— Dec. 2011
Trends in Youth Internet Victimization: Findings From Three Youth Internet Safety Surveys 2000-2010
— Dec. 2011
Understanding Desisting and Persisting Forms of Delinquency: The Unique Contributions of Disruptive Behavior Disorders and Interpersonal Callousness
— Dec. 2011
Youth Characteristics Associated with Intensity of Service Use in a School-Based Mental Health Intervention
— Dec. 2011
Adverse Childhood Experiences and Risk of Physical Violence in Adolescent Dating Relationships
— Nov. 2011
Deployment and Mental Health Diagnoses Among Children of U.S. Army Personnel
— Nov. 2011
Does Maternal Birth Outcome Differentially Influence the Occurrence of Infant Death Among African Americans and European Americans?
— Nov. 2011
Does the Sale of Sweetened Beverages at School Affect Children's Weight?
— Nov. 2011
Effectiveness of a School Nurse-Delivered Smoking-Cessation Intervention for Adolescents
— Nov. 2011
Effectiveness of Interventions Aimed at Reducing Screen Time in Children: A Systematic Review and Meta-analysis of Randomized Controlled Trials
— Nov. 2011
Fruit and Vegetable Consumption Among High School Students in the United States, 2010
— Nov. 2011
Graduated Drivers Licensing Programs Reduce Fatal Teen Crashes
— Nov. 2011
Homicide and Suicide During the Perinatal Period: Findings From the National Violent Death Reporting System
— Nov. 2011
Is Maternal Smoking During Pregnancy a Causal Environmental Risk Factor for Adolescent Antisocial Behavior? Testing Etiological Theories and Assumptions
— Nov. 2011
Propensity for Violence Among Homeless and Runaway Adolescents
— Nov. 2011
A Prospective Study of Psychological Distress and Weight Status in Adolescents/Young Adults
— Nov. 2011
Recidivism in the Child Protection System: Identifying Children at Greatest Risk of Reabuse Among Those Remaining in the Home
— Nov. 2011
Teen Birth Rate Hit Record Low in 2010
— Nov. 2011
Teens, Kindness and Cruelty on Social Network Sites
— Nov. 2011
Training Peers Improves Social Outcomes for Some Kids with ASD
— Nov. 2011
Relationships Between Hours of Sleep and Health-Risk Behaviors in U.S. Adolescent Students
— Oct-Nov. 2011
Associations Between Menarcheal Timing and Behavioral Developmental Trajectories for Girls from Age 6 to Age 15
— Oct. 2011
Birth Weight and Health and Developmental Outcomes in U.S. Children, 1997-2005
— Oct. 2011
Body Mass Index and the Built and Social Environments in Children and Adolescents Using Electronic Health Records
— Oct. 2011
Children's Exposure to Intimate Partner Violence and Other Family Violence
— Oct. 2011
The Developmental Pathway from Pubertal Timing to Delinquency and Sexual Activity from Early to Late Adolescence
— Oct. 2011
Do Youth in Out-of-Home Care Receive Recommended Mental Health and Educational Services Following Screening Evaluations?
— Oct. 2011
Effects of Physical Activity on Teen Smoking Cessation
— Oct. 2011
Geographic Disparities in State and District Policies Targeting Youth Obesity
— Oct. 2011
Health Status of Extremely Low-Birth-Weight Children at 8 Years of Age
— Oct. 2011
A High-Risk Study of Bipolar Disorder: Childhood Clinical Phenotypes as Precursors of Major Mood Disorders
— Oct. 2011
How Well Do Evidence-Based Universal Parenting Programs Teach Parents About Psychological Maltreatment?: A Program Review
— Oct. 2011
The Impact of Menu Labeling on Fast-Food Purchases for Children and Parents
— Oct. 2011
Inequities in Educational and Psychological Outcomes Between LGBTQ and Straight Students in Middle and High School
— Oct. 2011
Lost in Transition: Illicit Substance Use and Services Receipt Among At-Risk Youth in the Child Welfare System
— Oct. 2011
Neighborhood Environment and Physical Activity Among Youth: A Review
— Oct. 2011
Nonfatal Traumatic Brain Injuries Related to Sports and Recreation Activities Among Persons Aged <= 19 Years in the U.S.
— Oct. 2011
Percent Body Fat and Chronic Disease Risk Factors in U.S. Children and Youth
— Oct. 2011
Pubertal Timing and Early Sexual Intercourse in the Offspring of Teenage Mothers
— Oct. 2011
Randomized Trial of the Healthy Families Arizona Home Visiting Program
— Oct. 2011
The Long-Term Effects on Children and Adolescents of a Policy Providing Work Supports for Low-Income Parents
— Fall 2011
Reliance on Supplemental Nutrition Assistance Program Continued to Rise Post-Recession
— Fall 2011
Adolescent Well-Being in Washington State Military Families
— Sep. 2011
Adverse Childhood Experiences and Smoking Status in Five States
— Sep. 2011
Family Structure and Adolescent Physical Health, Behavior, and Emotional Well-Being
— Sep. 2011
Gestational Age at Birth and Mortality in Young Adulthood
— Sep. 2011
Graduated Driver Licensing and Fatal Crashes Involving 16- to 19-Year-Old Drivers
— Sep. 2011
Grief in Children and Adolescents Bereaved by Sudden Parental Death
— Sep. 2011
The Health and Well-Being of Children in Rural Areas: A Portrait of the Nation, 2007
— Sep. 2011
High Burden of Homelessness Among Sexual-Minority Adolescents: Findings From a Representative Massachusetts High School Sample
— Sep. 2011
Household Food Security in the United States in 2010
— Sep. 2011
The Impact of Peer Social Networks on Adolescent Alcohol Use Initiation
— Sep. 2011
Learning Problems in Kindergarten Students With Extremely Preterm Birth
— Sep. 2011
Maternal Depression and Childhood Health Inequalities
— Sep. 2011
Mental Health Screening and Follow-up Care in Public High Schools
— Sep. 2011
National and State Vaccination Coverage Among Children Aged 19-35 Months in the United States, 2010
— Sep. 2011
Reducing the Impact of Children's Exposure to Violence: Results of the National Evaluation of Safe Start Promising Approaches
— Sep. 2011
Stability and Change in Rural Youths' Educational Outcomes Through the Middle and High School Years
— Sep. 2011
Understanding Racial and Ethnic Disparities in U.S. Infant Mortality Rates
— Sep. 2011
Violence During Pregnancy Linked to Reduced Birth Weight
— Sep. 2011
The Walking School Bus and Children's Physical Activity: A Pilot Cluster Randomized Controlled Trial
— Sep. 2011
2011 Kids Count Data Book
— Aug. 2011
Adolescents' Expectations for the Future Predict Health Behaviors in Early Adulthood
— Aug. 2011
Apgar Scores at 5 Minutes After Birth in Relation to School Performance at 16 Years of Age
— Aug. 2011
The Association of BMI Status with Adolescent Preventive Screening
— Aug. 2011
Association of Childhood Adversities and Early-Onset Mental Disorders With Adult-Onset Chronic Physical Conditions
— Aug. 2011
Change in Prevalence of Chronic Conditions Between Childhood and Adolescence Among Extremely Low-Birth-Weight Children
— Aug. 2011
Childbearing Differences Among Three Generations of U.S. Women
— Aug. 2011
Disaster and Youth Violence: The Experience of School-Attending Youth in New Orleans
— Aug. 2011
Effectiveness of Early Educational Intervention
— Aug. 2011
Gender Differences in the Association Between Family Conflict and Adolescent Substance Use Disorders
— Aug. 2011
Grandparents Driving Grandchildren: An Evaluation of Child Passenger Safety and Injuries
— Aug. 2011
Interventions Shown to Aid Executive Function Development in Children 4 to 12 Years Old
— Aug. 2011
Late Talking and the Risk for Psychosocial Problems During Childhood and Adolescence
— Aug. 2011
A Meta-Analysis of Disparities in Childhood Sexual Abuse, Parental Physical Abuse, and Peer Victimization Among Sexual Minority and Sexual Nonminority Individuals
— Aug. 2011
National and State Vaccination Coverage Among Adolescents Aged 13-17 Years in the United States, 2010
— Aug. 2011
Neurodevelopmental Outcome and Risk Factors for Impaired Development of African American Infants in an Underserved Urban Population: A Population-Based Study
— Aug. 2011
Randomized Controlled Trial to Improve Primary Care to Prevent and Manage Childhood Obesity
— Aug. 2011
School Outcomes of Children With Special Health Care Needs
— Aug. 2011
Seat Belt Use Among Overweight and Obese Adolescents
— Aug. 2011
Specifying Type and Location of Peer Victimization in a National Sample of Children and Youth
— Aug. 2011
Suicide Attempts and Nonsuicidal Self-Injury in the Treatment of Resistant Depression in Adolescents: Findings from the TORDIA Study
— Aug. 2011
Types and Timing of Child Maltreatment and Early School Success: A Population-Based Investigation
— Aug. 2011
U.S. Housing Insecurity and the Health of Very Young Children
— Aug. 2011
Poor Prepregnancy and Antepartum Mental Health Predicts Postpartum Mental Health Problems Among U.S. Women: A Nationally Representative Population-Based Study
— July/Aug. 2011
Predictors of Prenatal and Postpartum Care Adequacy in a Medicaid Managed Care Population
— July/Aug. 2011
Adolescent Sexual Activity and the Development of Delinquent Behavior: The Role of Relationship Context
— July 2011
America's Children: Key National Indicators of Well-Being, 2011
— July 2011
Annual Report on Health Care for Children and Youth in the United States: Focus on Trends in Hospital Use and Quality
— July 2011
Antidepressant Use During Pregnancy and Childhood Autism Spectrum Disorders
— July 2011
Are Economic Trends Associated with Child Maltreatment? Preliminary Results from the Recent Recession Using State Level Data
— July 2011
Child Maltreatment: Strengthening National Data on Child Fatalities Could Aid in Prevention
— July 2011
Elevated Social Anxiety Among Early Maturing Girls
— July 2011
Familial Instability and Young Children's Physical Health
— July 2011
Genetic Heritability and Shared Environmental Factors Among Twin Pairs With Autism
— July 2011
Kids' Share 2011: Report on Federal Expenditures on Children Through 2010
— July 2011
Knowledge of and Attitudes Towards Evidence-Based Practices in Community Child Mental Health Practitioners
— July 2011
Media Use and Child Sleep: The Impact of Content, Timing, and Environment
— July 2011
Most Plastic Products Release Estrogenic Chemicals: A Potential Health Problem That Can Be Solved
— July 2011
Obesity and Related Health Behaviors Among Urban and Rural Children in the United States: Data from the National Health and Nutrition Examination Survey 2003-2004 and 2005-2006
— July 2011
The Prevalence of Emotional and Behavior Problems in Pediatric Primary Care Serving Rural Children
— July 2011
Selective Serotonin Reuptake Inhibitors and Risk for Major Congenital Anomalies
— July 2011
Social-Emotional Development of Dual Language Learners: A Critical Review of the Research
— July 2011
Who Are America's Poor Children? Examining Health Disparities by Race and Ethnicity
— July 2011
Beverage Consumption Among High School Students
— June 2011
Early Childhood Development of Late-Preterm Infants: A Systematic Review
— June 2011
Highlights of the 2009 National Youth Gang Survey
— June 2011
Impact of a Universal School-Based Violence Prevention Program on Violent Delinquency: Distinctive Benefits for Youth with Maltreatment Histories
— June 2011
The Impact of Adverse Childhood Experiences on an Urban Pediatric Population
— June 2011
Maternal Marital Status and the Risk of Stillbirth and Infant Death: A Population-Based Cohort Study on 40 Million Births in the United States
— June 2011
Online Applications for Medicaid and/or CHIP: An Overview of Current Capabilities and Opportunities for Improvement
— June 2011
Physical Activity Levels of High School Students
— June 2011
Trends in the Prevalence of Developmental Disabilities in U.S. Children, 1997-2008
— June 2011
Addressing Coverage Challenges for Children Under the Affordable Care Act
— May 2011
Complicating Conditions of Pregnancy and Childbirth, 2008
— May 2011
Inside the War on Poverty: The Impact of Food Stamps on Birth Outcomes
— May 2011
Language Abilities in Children Who Were Very Preterm and/or Very Low Birth Weight: A Meta-Analysis
— May 2011
A National and State Profile of Leading Health Problems and Health Care Quality for U.S. Children: Key Insurance Disparities and Across-State Variations
— May 2011
NIH study finds increased death risk for early term births
— May 2011
Prevalence of Autism Spectrum Disorders in a Total Population Sample
— May 2011
School Policies and Practices to Improve Health and Prevent Obesity: National Secondary School Survey Results
— May 2011
A Systematic Review of Early Intensive Intervention for Autism Spectrum Disorders
— May 2011
A Systematic Review of Medical Treatments for Children With Autism Spectrum Disorder
— May 2011
Who Are the Infants in Out-of-Home Care? An Epidemiological and Developmental Snapshot
— May 2011
Alcoholic Beverage Preferences and Associated Drinking Patterns and Risk Behaviors Among High School Youth
— Apr. 2011
Association of Family Stressful Life-Change Events and Health-Related Quality of Life in Fifth-Grade Children
— Apr. 2011
Children's Food Environment State Indicator Report, 2011
— Apr. 2011
Effects of Soldiers' Deployment on Children's Academic Performance and Behavioral Health
— Apr. 2011
Evidence-Based Interventions for Pediatric Weight Control
— Apr. 2011
Mother-Child Relationships, Family Context, and Child Characteristics as Predictors of Anxiety Symptoms in Middle Childhood
— Apr. 2011
Pregnancy and Mental Health of Young Homeless Women
— Apr. 2011
School-Based Strategies to Prevent Violence, Trauma, and Psychopathology: The Challenges of Going to Scale
— Apr. 2011
Trauma in Early Childhood: Empirical Evidence and Clinical Implications
— Apr. 2011
Vital Signs: Teen Pregnancy — United States, 1991-2009
— Apr. 2011
Expanding Exposure: Can Increasing the Daily Duration of Head Start Reduce Childhood Obesity?
— Spring 2011
The Physical and Psychological Well-Being of Immigrant Children
— Spring 2011
Adolescents' Exposure to Sexy Media Does Not Hasten the Initiation of Sexual Intercourse
— Mar. 2011
The Effect of an Early Education Program on Adult Health: The Carolina Abecedarian Project Randomized Controlled Trial
— Mar. 2011
Emergency Department Visits for Drug-Related Suicide Attempts Involving Antidepressants by Adolescents and Young Adults: 2004 to 2008
— Mar. 2011
Emergency Department Visits Involving Ecstasy
— Mar. 2011
Executive and Memory Function in Adolescents Born Very Preterm
— Mar. 2011
Food Hardship in America — Data for the Nation, States, 100 MSAs, and Every Congressional District
— Mar. 2011
Injuries Associated with Cribs, Playpens, and Bassinets Among Young Children in the U.S., 1990-2008
— Mar. 2011
Neurodevelopmental Outcomes of Triplets or Higher-Order Extremely Low Birth Weight Infants
— Mar. 2011
Patterns of Comorbidity, Functioning, and Service Use for U.S. Children with ADHD, 2007
— Mar. 2011
Prenatal Alcohol Exposure is Associated with Conduct Disorder in Adolescence: Findings from a Birth Cohort
— Mar. 2011
Racial Bias in Child Protection? A Comparison of Competing Explanations Using National Data
— Mar. 2011
Recent Decline in Births in the United States, 2007-2009
— Mar. 2011
Recovery and Recurrence Following Treatment for Adolescent Major Depression
— Mar. 2011
Regional Price Differences and Food Consumption Frequency Among Elementary School Children
— Mar. 2011
Relationships Between Adolescent Sexual Outcomes and Exposure to Sex in Media: Robustness to Propensity-Based Analysis
— Mar. 2011
Sex While Intoxicated: A Meta-Analysis Comparing Heterosexual and Sexual Minority Youth
— Mar. 2011
Wide Availability of High-Calorie Beverages in U.S. Elementary Schools
— Mar. 2011
Child and Adolescent Healthcare: Selected Findings From the 2010 National Healthcare Quality and Disparities Reports
— Feb. 2011
Food Insecurity and Weight Status Among U.S. Children and Families: A Review of the Literature
— Feb. 2011
Lifting Boats Without Closing Gaps: Child Health Outcomes in Distressed U.S. Cities from 1992-2002
— Feb. 2011
A Review of Prenatal Home-Visiting Effectiveness for Improving Birth Outcomes
— Feb. 2011
State Scorecard on Child Health System Performance, 2011
— Feb. 2011
TVs in the Bedrooms of Children: Does It Impact Health and Behavior?
— Feb. 2011
Youth Internet Victimization in a Broader Victimization Context
— Feb. 2011
Child Maltreatment and the Transition to Adult-Based Medical and Mental Health Care
— Jan. 2011
Disparities in Treatment for Substance Use Disorders and Co-Occurring Disorders for Ethnic/Racial Minority Youth
— Jan. 2011
Emergency Department Visits Involving Underage Alcohol Use in Combination with Other Drugs
— Jan. 2011
Role Modeling, Risk, and Resilience in California Adolescents
— Jan. 2011
Service Utilization for Lifetime Mental Disorders in U.S. Adolescents: Results of the National Comorbidity Survey-Adolescent Supplement (NCS-A)
— Jan. 2011
Trajectories of School Engagement During Adolescence: Implications for Grades, Depression, Delinquency, and Substance Use
— Jan. 2011
Video Game Play, Child Diet, and Physical Activity Behavior Change: A Randomized Clinical Trial
— Jan. 2011
Who Are America's Poor Children? Examining Health Disparities Among Children in the United States
— Jan. 2011
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